Top 20 Secret iPhone Codes

While not as free as Android devices, iPhone still has some very interesting shortcuts and tricks. Among them are some codes that many people do not know, but which can be very useful in everyday life. They can be easily inserted into the dialer of any iPhone model, making them even more affordable. For the biggest secret codes of Apple smartphones, just check out our tips below!

1. Field Test

By entering the code * 3001 # 12345 # * you can enable the field test mode, which shows various technical details of your service provider. You can also get a better sense of the strength of the cellular signal received on your iPhone. If you think you are having trouble with the signal, you can use it to check the situation.

2. Find out the IMEI number

The IMEI number can be very important as it is your iPhone ID and can help you if your smartphone is ever lost or stolen. To access it, just enter the code * # 06 #. Just remember not to allow other people access to your iPhone's IMEI number.

3. Hide number during call

If you don't want your number to appear to someone else when you make a call, just use the code * 31 # followed by your mobile number. Just make sure the trick worked, as it is possible that not all Brazilian carriers will allow it. Just call a relative or acquaintance's phone and you can find out if their number is hidden.

4. Check SMS Server

Whenever you send someone an SMS, the message first goes through a server and then reaches the recipient. If you find that your iPhone is having trouble sending or receiving an SMS, you can check its status with the code * # 5005 * 7672 #.

5. Check Call Waiting

To check whether Call Waiting is on or off on your iPhone, simply enter the code * # 43 # on the dialer.

6. Enable call waiting

You can also activate call waiting mode directly with a code. Just type * 43 # on your dialer to do this.

7. Disable call waiting

If you'd rather have the call waiting feature turned off, just enter code # 43 # on your iPhone dialer.

8. Check call blocking

To check the status of the call blocking feature, you can simply enter the code * # 33 # on your iPhone dialer.

9. Block calls

To block any call on iPhone for some period of time, you can simply use the * 33 * pin # SIM code on your dialer. Of course for this you will need to know the pin number of your SIM, which usually comes on the card along with the chip.

10. Unblock Calls

To unblock incoming and outgoing calls on your iPhone, you need to enter SIM # code # 33 * pin on your dialer.

11. Enable call forwarding

To enable call forwarding when someone calls you, you need to enter the code * 21 # on your dialer. This will make calls go straight to the answering machine and you can enter the same code to disable the feature as well.

12. Forward calls to another number

If you prefer calls to be forwarded to another specific number, you can enter the code * 21 desired number #. So just put your preferred phone number in the middle to make the code work properly.

13. Check Call Forwarding

To check the current status of the call forwarding feature, just enter the code * # 21 # on your dialer. This makes it much easier to know if the feature is enabled or not if you forget it.

14. Check data plan

If you want to quickly check the current status of your data plan, simply enter the code * 646 # on your iPhone dialer. Of course, this may not work with certain mobile carriers.

15. Check Missed Calls

There is also a really cool code that shows all missed calls on your iPhone at a glance. Just enter the code * # 61 # on your dialer.

16. Check Prepaid Chip Credits

You can also check the remaining credits if your SIM chip is prepaid. Just enter the code * 777 # on your iPhone dialer.

17. Extra Information

By entering the code * # 33 # on your iPhone's dialer, you will be able to see a lot of information about the smartphone you can't find anywhere else.

18. Miscellaneous Tests

Code * # 0 * # can be used to perform various types of tests on your iPhone. Among them, you can test the speaker sound, touch screen, vibration feature, etc. This code can help you identify the cause of any issues you are encountering.

19. Enable EFR mode

Using the code * 3370 # on your smartphone dialer will enable Enhanced Full Rate (EFR) mode on iPhone. This makes call quality greatly improved, but it also significantly increases the smartphone's battery consumption while making calls.

20. Check Number Presentation

If you want to check what appears to others when you call them, just enter the code * # 30 # on your iPhone dialer.

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